gcc/testsuite/c-c++-common/dfp/operator-assignment.c

   1 /* C99 6.5.16 Assignment operators.
   2    Verify the compound assignment operator for decimal float types,
   3    using it with other decimal float types, integers, and other binary
   4    float types cast to decimal float types.  */
   5
   6 #include "dfp-dbg.h"
   7
   8 #define OPERATE(OPRD1,OPRT,OPRD2,RLT)           \
   9   if (( OPRD1 OPRT OPRD2 )!= RLT)               \
  10     FAILURE
  11
  12 #define DECIMAL_COMPOUND_ASSIGNMENT(TYPE, OPRD) \
  13 {                                               \
  14   _Decimal##TYPE d = OPRD;                      \
  15   OPERATE(d,+=,1,(OPRD + 1));           \
  16   d = OPRD;                             \
  17   OPERATE(d,+=,0,OPRD);                 \
  18   d = OPRD;                             \
  19   OPERATE(d,+=,(-1),(OPRD - 1));        \
  20   d = OPRD;                             \
  21   OPERATE(d,+=,d32a,(OPRD + d32a));     \
  22   d = OPRD;                             \
  23   OPERATE(d,+=,d64a,(OPRD + d64a));     \
  24   d = OPRD;                             \
  25   OPERATE(d,+=,d128a,(OPRD + d128a));   \
  26   d = OPRD;                             \
  27   OPERATE(d,+=,(_Decimal##TYPE)1.1,(OPRD + (_Decimal##TYPE)1.1));       \
  28   d = OPRD;                             \
  29   OPERATE(d,+=,(_Decimal##TYPE)2.2f,(OPRD + (_Decimal##TYPE)2.2f));     \
  30   d = OPRD;                             \
  31   OPERATE(d,-=,1,(OPRD - 1));           \
  32   d = OPRD;                             \
  33   OPERATE(d,-=,0,OPRD);                 \
  34   d = OPRD;                             \
  35   OPERATE(d,-=,(-1),(OPRD + 1));        \
  36   d = OPRD;                             \
  37   OPERATE(d,-=,d32a,OPRD-d32a);         \
  38   d = OPRD;                             \
  39   OPERATE(d,-=,d64a,OPRD-d64a);         \
  40   d = OPRD;                             \
  41   OPERATE(d,-=,d128a,OPRD-d128a);       \
  42 }
  43
  44 int
  45 main ()
  46 {
  47   _Decimal32 d32 = 1.23456df, d32a = 1.2df;
  48   _Decimal64 d64 = 23.456789dd, d64a = 2.8dd;
  49   _Decimal128 d128 = 345.67890123456789dl, d128a = 4.7dl;
  50
  51   DECIMAL_COMPOUND_ASSIGNMENT(32, d32);
  52   DECIMAL_COMPOUND_ASSIGNMENT(64, d64);
  53   DECIMAL_COMPOUND_ASSIGNMENT(128, d128);
  54
  55   FINISH
  56 }